Question

find he HCF of 34,78 together by prime factorisation method

Answer 1

Answer:

The factors of 78 are 78, 39, 26, 13, 6, 3, 2, 1. The common factors of 34 and 78 are 2, 1, intersecting the two sets above. In the intersection factors of 34 ∩ factors of 78 the greatest element is 2. Therefore, the greatest common factor of 34 and 78 is 2